"Headroom open-notebook resources" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.
Free, open MCP server for The Urantia Papers. 197 papers, 14,500+ paragraphs, 4,400+ entities.
Search domain availability and pricing, straight from chat, then open a link to register.
Official MCP: continuous supply-chain risk monitoring and early warning, not a one-off report. Register and create a key at https://supplygraph.ai/zk_chat_os/dashboard/dashboard.html — if you are not signed in you will be redirected to login; new users can register there. After login, open A2A / MCP and click Create Production Key or Create Sandbox Key. Send the header as Bearer <api_key> (one Bearer prefix, then the raw key). Optional for initialize and tools/list; required for tools/call.
Query a live PrestaShop e-commerce store: search the catalog, get product details, real-time prices and stock. Fondouk is an open-source module (MIT) that makes any PrestaShop store speak MCP and UCP — this connector is its public demo store. Read-only, public data only.
clariBI is an AI-powered business intelligence platform built for small and mid-sized SaaS, ecommerce, and operations teams. Instead of writing SQL or building dashboards manually, users ask questions in plain English ("what's our CAC by channel last quarter?") and the AI engine pulls the data from Stripe, HubSpot, Google Analytics, ad platforms, Jira, and 30+ other sources via the open Model Context Protocol. Dashboards generate themselves on source connect.
Real-time crypto market intelligence for AI agents. Live price, funding rate, open interest, buy/sell ratio, fear/greed, orderflow, and OHLCV history across 20 exchanges and 24 tokens. Address risk scoring included.
Open, verified shop database for AI agents: products, offers, price comparison, trust and coupons.
Search and discover advertiser products through an open marketplace for AI agents.
Neuronto Agentic Resource Discovery ARD Index. Search every ARD registry + 31,411 verified tools.
The open-source talent graph for humans and AI agents. Find developers.
Read, search and edit Smartipedia, an open AI-native encyclopedia. No API key, no signup.
Search people open to work and fetch their machine-readable cv.json, from any AI assistant.
Evidence-backed open-source project search, recommendations, alternatives, and comparisons.
Search KYMA369's public frequency library and open sets in the free KYMA app.
Search 52,000 musical instruments and audio products: live prices, deals, bundles, open-box units.
Search curated Lorcana resources, evidence, taxonomies, and public change history.
Read-only search and Markdown access to liz's public docs, prompts, resources, and an MCP App.
Ed25519-signed market open/close receipts for NYSE, NASDAQ, LSE, JPX, Euronext, HKEX, and SGX.
Web search API: find every relevant event across the open web, not just the top results.